FAA-listed STC holder
Garrett Aviation Services STCs
The Jun 30, 2026 FAA DRS snapshot lists 139 selected supplemental type certificates with status Current under Garrett Aviation Services. The records span 65 public aircraft directories and 9 modification categories. This is a research directory, not a claim that any specific kit or service is currently offered.
Modification mix
Aircraft represented
Recently revised records
Showing the 100 most recently revised records. Category directories provide the complete paginated discovery path.
Certification of Reduced Vertical Separation Minimums (RVSM) operational capability.
FAA holder: Garrett Aviation Services
Installation of a Dual Universal Avionics UNS-1K Flight Management System with GPS as a primary means of navigation.
FAA holder: Garrett Aviation Services
Manufacturing and installation of partition and door blow out provisions.
FAA holder: Garrett Aviation Services
Installation of dual Sperry SPI-73E flight director.
FAA holder: Garrett Aviation Services
Installation of structural provisions for the Collins Doppler DN-101.
FAA holder: Garrett Aviation Services
Installation of lavatory door and bulkhead at station 392.
FAA holder: Garrett Aviation Services
Installation of Sperry C14A gyrosyn compass system.Descriptive data pertaining to this design change are considered inadequate for duplication in other products. This approval is limited to only the installation made in Sikorsky, S61N, Serial No 61424.
FAA holder: Garrett Aviation Services
Installation of a dual Allied Signal GNS - XLS FMS.
FAA holder: Garrett Aviation Services
Installation of a single AlliedSignal GNS-XLs flight management system.
FAA holder: Garrett Aviation Services
Installation of a Dual AlliedSignal GNS-XLs flight management system.
FAA holder: Garrett Aviation Services
Installation of a Dual AlliedSignal GNS-XLS flight management system.
FAA holder: Garrett Aviation Services
Installation of a dual Universal Avionics UNS-ID Flight Management System (FMS).
FAA holder: Garrett Aviation Services
Installation of dual AlliedSignal GNS-XLS Flight Management Systems.
FAA holder: Garrett Aviation Services
Installation of Collins flight directors.
FAA holder: Garrett Aviation Services
Installation of a Honeywell Mark VIII Enhanced Ground Proximity Warning System.
FAA holder: Garrett Aviation Services
Certification of Reduced Vertical Separation Minimums (RVSM) operational capability.
FAA holder: Garrett Aviation Services
Installation of a Honeywell CAS 67 TCAS II System.
FAA holder: Garrett Aviation Services
Installation of an AlliedSignal avionics MK-V, Enhanced Ground Proximity Warning System.
FAA holder: Garrett Aviation Services
Installation of an AlliedSignal Avionics MK-VII, enhanced ground proximity warning system.
FAA holder: Garrett Aviation Services
Installation of a dual Innovative Solutions and Support (IS&S) altimetry system.
FAA holder: Garrett Aviation Services
Installation of a Honeywell/AlliedSignal Mark V Enhanced Ground Proximity Warning System.
FAA holder: Garrett Aviation Services
Modification of engine cowling to install a Sight Glass.
FAA holder: Garrett Aviation Services
Installation of a Universal Avionics Terrain Awareness Warning System TAWS.
FAA holder: Garrett Aviation Services
Installation of Universal Avionics Flight Management Systems for Primary Means in Oceanic and Remote Airspace.
FAA holder: Garrett Aviation Services
Installation of an Innovative Solutions & Support (IS&S) Air Data Display Unit and Standby Altimeter.
FAA holder: Garrett Aviation Services
Installation of a Cabin Interior and In-Flight Entertainment System.
FAA holder: Garrett Aviation Services
Certification of Reduced Vertical Separation Minimum (RVSM) operational capability.
FAA holder: Garrett Aviation Services
Installation of a Collins Avionics 906-6 SATCOM Satellite Communications System.
FAA holder: Garrett Aviation Services
Installation of a Rockwell Collins AN/ARC-210(V) VHF/UHF Communications System.
FAA holder: Garrett Aviation Services
Installation of a cabin interior and in-flight entertainment system.
FAA holder: Garrett Aviation Services
Installation of an AlliedSignal Mark VII Enhanced Ground Proximity Warning System.
FAA holder: Garrett Aviation Services
Installation of a MagnaStar C-2000 digital airborne telephone system. Aproved for serial number 408 ONLY.
FAA holder: Garrett Aviation Services
Installation of a P/N M45-170093-501 or M45-170093-502 Master Warning Panel.
FAA holder: Garrett Aviation Services
Installation of provisions for future installation of Universal Avionics Terrain Avoidance Warning System (TAWS).
FAA holder: Garrett Aviation Services
Installation of a Honeywell MK-VIII Enhanced Ground Proximity Warning System (EGPWS).
FAA holder: Garrett Aviation Services
Installation of Universal Avionics EFI-550 Flat Panel Electronic Flight Instruments.
FAA holder: Garrett Aviation Services
Installation of a cabin interior and in-flight entertainment system.
FAA holder: Garrett Aviation Services
Certification of Reduced Vertical Separation Minimum (RVSM) operational capability.
FAA holder: Garrett Aviation Services
Installation of a Rockwell Collins ADC-80K air data computer, Rockwell Collins AL1-80A Altimeter (Copilot), Aerosonic 2" standby altimeter system, and Rosemount Aerospace Model 102AU1AG IAW Garrett drawing list 68-9708-04, dtd 1/17/01, or later FAA approved revision.
FAA holder: Garrett Aviation Services
Installation of Aircraft Cabin Interior Furnishings, Cabinetry, and Entertainment Systems.
FAA holder: Garrett Aviation Services
Installation of a Rockwell Collins TCAS 4000 Traffic and Collision Avoidance System.
FAA holder: Garrett Aviation Services
Installation of ARTEX 110-406 NAV Emergency Locator Transmitter with an ELT/NAV Interface Unit.
FAA holder: Garrett Aviation Services
Installation of Honeywell LASEREF Inertial Reference Systems.
FAA holder: Garrett Aviation Services
Alterations to existing Auto Throttle System. Must have STC ST1020NY installed.
FAA holder: Garrett Aviation Services
Installation of a Universal Avionics Systems Corporation (UASC) Terrain Awareness Warning System (TAWS).
FAA holder: Garrett Aviation Services
Installation of an AlliedSignal MK-V Enhanced Ground Proximity Warning System (EGPWS).
FAA holder: Garrett Aviation Services
Installation of a Honeywell YG1779 Laseref Inertial Reference System.
FAA holder: Garrett Aviation Services
Installation of a Honeywell TCAS 2000 Traffic Alert and Collision Avoidance System.
FAA holder: Garrett Aviation Services
Installation of provisions for the future installation of Universal Avionics flat Panel Electronic Engine Indicators.
FAA holder: Garrett Aviation Services
Installation of an AlliedSignal Avionics MK-V, enhanced ground proximity warning system.
FAA holder: Garrett Aviation Services
Certification of Reduced Vertical Separation Minimum (RVSM) operational capability initiated per FAA approved Instructions for Initial and Continued Airworthiness, Garrett Aviation Services Doc. No. 68-8008-004, dtd 2/21/02 or later FAA approved revision. Approved for instalation on serial number 201 ONLY.
FAA holder: Garrett Aviation Services
Installation of a Third Crewmember Jumpseat.
FAA holder: Garrett Aviation Services
Installation of a Dual Universal Avionics UNS-1K Flight Management System with GPS as a primary means of navigation.
FAA holder: Garrett Aviation Services
Installation of aircraft cabin interior, furnishings and cabinetry. Approved for serial number 051 ONLY.
FAA holder: Garrett Aviation Services
Installation of an AlliedSignal Avionics TCAS II, CAS 67A.
FAA holder: Garrett Aviation Services
Installation of an AlliedSignal Avionics, Bendix/King CAS 67A TCAS II Traffic Collision Avoidance System.
FAA holder: Garrett Aviation Services
Installation of a dual Honeywell FMZ-2000 Flight Management System.
FAA holder: Garrett Aviation Services
Installation of a Securaplane XL245-A emergency battery.
FAA holder: Garrett Aviation Services
Installation of Collins Proline II Communication, navigation, pulse system with Baker B1035 cockpit audio system.
FAA holder: Garrett Aviation Services
Installation of Honeywell MK-VII Enhanced Ground Proximity Warning System (EGPWS).
FAA holder: Garrett Aviation Services
Installation of a dual Collins AHS-3000 or AHS-3000A Attitude Heading Reference System (AHRS).
FAA holder: Garrett Aviation Services
Installation of Universal Avionics Multi-Function Display (MFD).
FAA holder: Garrett Aviation Services
Installation of a Rockwell Collins HF-9000 High Frequency Communication System.
FAA holder: Garrett Aviation Services
Installation of an AirCell Air/Ground Telephone System.
FAA holder: Garrett Aviation Services
Installation of Universal Avionics UNS-1D Flight Management System (FMS).
FAA holder: Garrett Aviation Services
Installation of ARTEX Emergency Locator Transmitter (ELT) 110-406.
FAA holder: Garrett Aviation Services
Installation of an AlliedSignal MK-V Enhanced Ground Proximity Warning System.
FAA holder: Garrett Aviation Services
Installation of Universal Avionics Systems Terrain Awareness Warning System (TAWS).
FAA holder: Garrett Aviation Services
Installation of EGPWS Graphics Display capability.
FAA holder: Garrett Aviation Services
Installation of Dual Davtron Cockpit clocks.
FAA holder: Garrett Aviation Services
Installation of Honeywell MK-V Enhanced Ground Proximity Warning System (EGPWS).
FAA holder: Garrett Aviation Services
Instalation of Universal Avionics Systems Corporation terrain awareness warning system (TAWS).
FAA holder: Garrett Aviation Services
Installation of Safe Flight 1501 Series Angle of Attack System.
FAA holder: Garrett Aviation Services
Installation of Safe Flight 6502 Series Windshear Warning System.
FAA holder: Garrett Aviation Services
Installation of Universal Avionics Terrain Awareness and Warning System (TAWS).
FAA holder: Garrett Aviation Services
Installation of Universal Avionics Multi-Function Display (MFD).
FAA holder: Garrett Aviation Services
Installation of Universal Avionics Systems Model 640 flat panel electronic engine and systems instrument display system.
FAA holder: Garrett Aviation Services